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Notiuni de optica

Physics

8th Grade

Used 1+ times

Notiuni de optica
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9 questions

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1.

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1 min • 1 pt

Oglinzile sunt suprafete perfect ..................................

2.

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1 min • 1 pt

Reflexia luminii este fenomenul de ............................ a directiei de propagare a luminii si ......................... ei, in mediul din care a venit.

3.

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1 min • 1 pt

Ne putem observa imaginea intr-o oglinda, datorita fenomenului de ........................ a luminii.

4.

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1 min • 1 pt

Lentilele sunt medii transparente ce au cel putin o ............................ ............................

5.

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1 min • 1 pt

Lentilele convergente sunt mai ......................... la capete si mai ........................... la mijloc.

6.

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1 min • 1 pt

Lentilele divergente sunt mai .............................. la capete si mai ............................ la mijloc.

7.

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1 min • 1 pt

Imaginile obtinute prin lentile sau oglinzi sunt reale, daca se obtin la intersectia ............................. ..... .........................

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